Birkie Week Smaller Events Registration Also Opens North America’s #1 & #2 Cross-Country Ski Races Filling Fast (Press release) HAYWARD, Wis. (September 5, 2018) – With fall temperatures in the air, thoughts turn quickly to the change in seasons, fall leaves, and snow. The Birkie week of festivities is a mere 168 days away and thousands of skiers have already registered for the Slumberland American Birkebeiner, Kortelopet, and Prince Haakon races to date. Friday, September...
